1996 Ford F150 Owner's Manual - Page 195

Lever Operated System With Manual Locking Hubs To shift from 2H to 4H: Stop the vehicle and engage the manual locking hubs by turning both hub lock selector knobs clockwise to the LOCK position. Move the transfer case shift lever straight back to the 4H position. After both hubs have been turned to the LOCK position, shifts between 2H and 4H (or 4H to 2H) may take place at any speed. Locking hub positions u Do not drive the vehicle in 4H or 4L with the manual locking hubs in the FREE position. right manual locking hubs set to different positions. u Do not drive the vehicle with the left and To shift from 4H to 2H: Move the transfer case shift lever forward to the 2H position. This can be done at any speed. However, the front driveline will remain engaged to the front wheels until the manual locking hubs are disengaged. To disengage the manual locking hubs, stop the vehicle and rotate both hub lock selector knobs counter-clockwise to the FREE position. 193